diff --git a/code/modules/mob/living/carbon/human/species/species.dm b/code/modules/mob/living/carbon/human/species/species.dm
index 6ea0ed6889..ff16d332fe 100644
--- a/code/modules/mob/living/carbon/human/species/species.dm
+++ b/code/modules/mob/living/carbon/human/species/species.dm
@@ -72,6 +72,7 @@
 	var/toxins_mod =    1                    // Toxloss modifier
 	var/radiation_mod = 1                    // Radiation modifier
 	var/flash_mod =     1                    // Stun from blindness modifier.
+	var/chemOD_mod =	1					 // Damage modifier for overdose
 	var/vision_flags = SEE_SELF              // Same flags as glasses.
 
 	// Death vars.
diff --git a/code/modules/mob/living/carbon/human/species/station/station.dm b/code/modules/mob/living/carbon/human/species/station/station.dm
index ca005f7169..5015e19940 100644
--- a/code/modules/mob/living/carbon/human/species/station/station.dm
+++ b/code/modules/mob/living/carbon/human/species/station/station.dm
@@ -174,6 +174,7 @@
 
 	darksight = 4
 	flash_mod = 1.2
+	chemOD_mod = 0.9
 
 	ambiguous_genders = TRUE
 
diff --git a/code/modules/organs/organ_external.dm b/code/modules/organs/organ_external.dm
index 359aebe776..f37fb3b9b8 100644
--- a/code/modules/organs/organ_external.dm
+++ b/code/modules/organs/organ_external.dm
@@ -698,10 +698,9 @@ Note that amputating the affected organ does in fact remove the infection from t
 		if(W.internal && owner.bodytemperature >= 170)
 			var/bicardose = owner.reagents.get_reagent_amount("bicaridine")
 			var/inaprovaline = owner.reagents.get_reagent_amount("inaprovaline")
-			if(!(W.can_autoheal() || (bicardose && inaprovaline)))	//bicaridine and inaprovaline stop internal wounds from growing bigger with time, unless it is so small that it is already healing
+			var/myeldose = owner.reagents.get_reagent_amount("myelamine")
+			if(!(W.can_autoheal() || (bicardose && inaprovaline) || myeldose))	//bicaridine and inaprovaline stop internal wounds from growing bigger with time, unless it is so small that it is already healing
 				W.open_wound(0.1 * wound_update_accuracy)
-			if(bicardose >= 30)	//overdose of bicaridine begins healing IB
-				W.damage = max(0, W.damage - 0.2)
 
 			owner.vessel.remove_reagent("blood", wound_update_accuracy * W.damage/40) //line should possibly be moved to handle_blood, so all the bleeding stuff is in one place.
 			if(prob(1 * wound_update_accuracy))
diff --git a/code/modules/reagents/Chemistry-Reagents.dm b/code/modules/reagents/Chemistry-Reagents.dm
index 9e7fbd461f..723db2ace7 100644
--- a/code/modules/reagents/Chemistry-Reagents.dm
+++ b/code/modules/reagents/Chemistry-Reagents.dm
@@ -26,7 +26,8 @@
 	var/touch_met = 0
 	var/dose = 0
 	var/max_dose = 0
-	var/overdose = 0
+	var/overdose = 0		//Amount at which overdose starts
+	var/overdose_mod = 2	//Modifier to overdose damage
 	var/scannable = 0 // Shows up on health analyzers.
 	var/affects_dead = 0
 	var/cup_icon_state = null
@@ -60,8 +61,6 @@
 		return
 	if(!affects_dead && M.stat == DEAD)
 		return
-	if(overdose && (volume > overdose) && (location != CHEM_TOUCH))
-		overdose(M, alien)
 	var/removed = metabolism
 	if(!mrate_static == TRUE)
 		removed *= M.species.metabolic_rate
@@ -80,6 +79,8 @@
 				affect_ingest(M, alien, removed)
 			if(CHEM_TOUCH)
 				affect_touch(M, alien, removed)
+	if(overdose && (volume > overdose) && (location != CHEM_TOUCH))
+		overdose(M, alien, removed)
 	remove_self(removed)
 	return
 
@@ -93,9 +94,13 @@
 /datum/reagent/proc/affect_touch(var/mob/living/carbon/M, var/alien, var/removed)
 	return
 
-/datum/reagent/proc/overdose(var/mob/living/carbon/M, var/alien) // Overdose effect. Doesn't happen instantly.
-	M.adjustToxLoss(REM)
-	return
+/datum/reagent/proc/overdose(var/mob/living/carbon/M, var/alien, var/removed) // Overdose effect. Doesn't happen instantly.
+	if(alien == IS_DIONA)
+		return
+	if(ishuman(M))
+		var/mob/living/carbon/human/H = M
+		overdose_mod *= H.species.chemOD_mod
+	M.adjustToxLoss(removed * overdose_mod)
 
 /datum/reagent/proc/initialize_data(var/newdata) // Called when the reagent is created.
 	if(!isnull(newdata))
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
index 3712baa895..6760f8a9d9 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
@@ -32,6 +32,23 @@
 	if(alien != IS_DIONA)
 		M.heal_organ_damage(6 * removed, 0)
 
+/datum/reagent/bicaridine/overdose(var/mob/living/carbon/M, var/alien, var/removed)
+	..()
+	var/wound_heal = 1.5 * removed
+	M.eye_blurry += (wound_heal)
+	if(ishuman(M))
+		var/mob/living/carbon/human/H = M
+		for(var/obj/item/organ/external/O in H.bad_external_organs)
+			for(var/datum/wound/W in O.wounds)
+				if(W.bleeding())
+					W.damage = max(W.damage - wound_heal, 0)
+					if(W.damage <= 0)
+						O.wounds -= W
+				if(W.internal)
+					W.damage = max(W.damage - wound_heal, 0)
+					if(W.damage <= 0)
+						O.wounds -= W
+
 /datum/reagent/kelotane
 	name = "Kelotane"
 	id = "kelotane"
@@ -368,21 +385,23 @@
 	metabolism = REM * 0.5
 	overdose = REAGENTS_OVERDOSE * 0.5
 	scannable = 1
+	var/repair_strength = 3
 
 /datum/reagent/myelamine/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
 	if(alien == IS_DIONA)
 		return
-	M.eye_blurry += (3 * removed)
+	M.eye_blurry += (repair_strength * removed)
 	if(ishuman(M))
 		var/mob/living/carbon/human/H = M
+		var/wound_heal = removed * repair_strength
 		for(var/obj/item/organ/external/O in H.bad_external_organs)
 			for(var/datum/wound/W in O.wounds)
 				if(W.bleeding())
-					W.damage = max(W.damage - removed, 0)
+					W.damage = max(W.damage - wound_heal, 0)
 					if(W.damage <= 0)
 						O.wounds -= W
 				if(W.internal)
-					W.damage = max(W.damage - removed, 0)
+					W.damage = max(W.damage - wound_heal, 0)
 					if(W.damage <= 0)
 						O.wounds -= W
 
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Toxins.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Toxins.dm
index e13a73dd29..6e34257e4a 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Toxins.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Toxins.dm
@@ -388,6 +388,7 @@
 	color = "#000067"
 	metabolism = REM * 0.5
 	overdose = REAGENTS_OVERDOSE * 0.5
+	overdose_mod = 5	//For that good, lethal feeling
 
 /datum/reagent/chloralhydrate/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
 	if(alien == IS_DIONA)
@@ -413,6 +414,11 @@
 	if(effective_dose > 1 * threshold)
 		M.adjustToxLoss(removed)
 
+/datum/reagent/chloralhydrate/overdose(var/mob/living/carbon/M, var/alien, var/removed)
+	..()
+	M.losebreath = (min(M.losebreath + 1, 10))
+	M.adjustOxyLoss(removed * overdose_mod)
+
 /datum/reagent/chloralhydrate/beer2 //disguised as normal beer for use by emagged brobots
 	name = "Beer"
 	id = "beer2"
diff --git a/html/changelogs/Anewbe - Overdose.yml b/html/changelogs/Anewbe - Overdose.yml
new file mode 100644
index 0000000000..62b4d3934c
--- /dev/null
+++ b/html/changelogs/Anewbe - Overdose.yml	
@@ -0,0 +1,38 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes: 
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#################################
+
+# Your name.  
+author: Anewbe
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes: 
+  - bugfix: "Bicaridine and Myelamine should now properly repair internal bleeding."
+  - rscadd: "Overdoses are now more dangerous."
+  - rscadd: "Chloral Hydrate overdoses are now even more dangerous."